Short answer: a tie on sound quality. Both are rated 4.5/5 (#81 and #67 of 450 in-ear headphones) at nearly the same price ($23.99 vs $22.99), so choose on features and fit.
What the Tanchjim Ola Bass does well: In the median of five squig.link measurements it scores 80.2 for preference, and its treble is remarkably even, with no peak larger than 1.6 dB or dip deeper than 1.9 dB between 1.5 and 12 kHz. Watch for: Sub-bass trails the midbass by about 3 dB, so the deepest rumble is lighter than the bass emphasis above it.
Buy the Tanchjim Bunny or the Tanchjim Ola Bass on features: they are rated the same for sound quality at close to the same price.
Looking for alternatives? See the complete Headphones rankings.
Specifications Side By Side
| Tanchjim Bunny | Tanchjim Ola Bass | |
|---|---|---|
| Price | $23.99 | $22.99 |
| Ranked | #81 of 450 in In-Ear Headphones | #67 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 80 (median of 3 squig.link measurements, calibrated to AutoEQ) | 80 (median of 5 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.51 dB standard deviation | 1.48 dB standard deviation |
| Tonal Tilt | +0.00 (negative is warmer, positive brighter) | -0.16 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-3.2 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.9 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x dynamic | 1 x 10mm dynamic |
| Impedance | 30 ohms | 16 ohms |
| Sensitivity | 123 dB/Vrms | 126 dB/Vrms |
| Frequency Response | 8Hz - 48kHz (Manufacturer specified) | 7Hz - 45kHz (Manufacturer specified) |
| Built-in Microphone | Yes | Yes |
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Prices on this page were last checked October 11, 2026 at 4:59 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Headphones In Full
Tanchjim Bunny: $23.99 Amazon eBay
Full Tanchjim Bunny review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | Yes |
| Connection | Wired |
| Deviation From Target | 1.51 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x dynamic |
| Form Factor | In-ear |
| Frequency Response | 8Hz - 48kHz (Manufacturer specified) |
| Harman Preference Score | 80 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 30 ohms |
| Sensitivity | 123 dB/Vrms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-3.2 dB at 30 Hz) |
| Tonal Tilt | +0.00 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Tanchjim Ola Bass: $22.99 Amazon eBay
Pros: In the median of five squig.link measurements it scores 80.2 for preference, and its treble is remarkably even, with no peak larger than 1.6 dB or dip deeper than 1.9 dB between 1.5 and 12 kHz. A 2.1 dB bass lift gives the warm, punchy low end its name promises. At 126 dB/Vrms and 16 ohms it runs effortlessly from a phone, and the inline mic handles calls.
Cons: Sub-bass trails the midbass by about 3 dB, so the deepest rumble is lighter than the bass emphasis above it. Low mids sit about 1.1 dB above target, which can make dense mixes sound slightly thick.
Full Tanchjim Ola Bass review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | Yes |
| Connection | Wired |
| Deviation From Target | 1.48 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 7Hz - 45kHz (Manufacturer specified) |
| Harman Preference Score | 80 (median of 5 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 16 ohms |
| Sensitivity | 126 dB/Vrms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.9 dB at 30 Hz) |
| Tonal Tilt | -0.16 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons